Fix setup classifiers

Author: vtitor

setup.py

@@ -18,7 +18,7 @@
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Topic :: Software Development :: Testing'
+        'Topic :: Software Development :: Testing',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',